DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Implementation

Mercurial (1aeaa33a64f9)

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef nsNameSpaceMap_h__
#define nsNameSpaceMap_h__

#include "nsCOMPtr.h"
#include "nsString.h"
#include "nsAtom.h"

class nsNameSpaceMap {
 public:
  class Entry {
   public:
    Entry(const nsACString& aURI, nsAtom* aPrefix)
        : mURI(aURI), mPrefix(aPrefix), mNext(nullptr) {
      MOZ_COUNT_CTOR(nsNameSpaceMap::Entry);
    }

    ~Entry() { MOZ_COUNT_DTOR(nsNameSpaceMap::Entry); }

    nsCString mURI;
    RefPtr<nsAtom> mPrefix;

    Entry* mNext;
  };

  nsNameSpaceMap();
  ~nsNameSpaceMap();

  nsresult Put(const nsAString& aURI, nsAtom* aPrefix);

  nsresult Put(const nsACString& aURI, nsAtom* aPrefix);

  class const_iterator {
   protected:
    friend class nsNameSpaceMap;

    explicit const_iterator(const Entry* aCurrent) : mCurrent(aCurrent) {}

    const Entry* mCurrent;

   public:
    const_iterator() : mCurrent(nullptr) {}

    const_iterator(const const_iterator& iter) : mCurrent(iter.mCurrent) {}

    const_iterator& operator=(const const_iterator& iter) {
      mCurrent = iter.mCurrent;
      return *this;
    }

    const_iterator& operator++() {
      mCurrent = mCurrent->mNext;
      return *this;
    }

    const_iterator operator++(int) {
      const_iterator tmp(*this);
      mCurrent = mCurrent->mNext;
      return tmp;
    }

    const Entry* operator->() const { return mCurrent; }

    const Entry& operator*() const { return *mCurrent; }

    bool operator==(const const_iterator& iter) const {
      return mCurrent == iter.mCurrent;
    }

    bool operator!=(const const_iterator& iter) const {
      return !iter.operator==(*this);
    }
  };

  const_iterator first() const { return const_iterator(mEntries); }

  const_iterator last() const { return const_iterator(nullptr); }

  const_iterator GetNameSpaceOf(const nsACString& aURI) const;

 protected:
  Entry* mEntries;
};

#endif  // nsNameSpaceMap_h__